Finding the Fourth Proportional to 326,599.41, 489,929.93 and 126,935.09
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Solution
The fourth proportional to 326,599.41, 489,929.93 and 126,935.09 is: 190,414.61
Step by Step Solution
- Step 1: Write the proportion equation
326,599.41 : 489,929.93 = 126,935.09 : x - Step 2: Convert to fraction form
326,599.41/489,929.93 = 126,935.09/x - Step 3: Cross multiply
326,599.41x = 489,929.93 × 126,935.09 - Step 4: Simplify right side
326,599.41x = 62,189,299,758.24 - Step 5: Solve for x
x = 62,189,299,758.24/326,599.41 - Step 6: Final answer
x = 190,414.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.